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From Figures to Fame
455
THE SE I42O
DURING the following year I was asked to join the technical staff of the radio laboratory at the Navy Yard at Washington," h'e narrates. "I spent the summer in Washington doing miscellaneous development work and in the early fall I designed a radio receiver which was standardized by. the Navy Department and has been in wide use ever since. To .Naval operators it is known as SE 1420. This receiver contained several novel features, and its design was of particular interest to me because it was based on the theoretical formulae which I myself had evolved and which were incorporated in my paper on 'Oscillating Audion Circuits. ' These methods were borne out so well by experiment that only a single shop model was constructed on which a few minor adjustments had to be made before the final drawings and specifications were prepared for the submission of bids.
"In the midst of my work I was stricken with an attack of influenza which kept me away from the laboratory for a few weeks. On my return I found that another member of the technical staff had practically com
pleted the development of a receiver similar to my own. The officer in charge of the work, Lieutenant .W. A. Eaton, suggested that I abandon my development on the ground that time was pressing and that the other receiver was nearly ready. Had he given me definite instructions I would, of course, have obeyed him. But inasmuch as he merely expressed a wish that I do so and because I had great confidence in my own design, I felt justified in continuing with my work. The result was that when these receivers were tested mine was shown to be distinctly superior to the other and it was eventually adopted. Although it is strictly against the copy-book traditions I feel that a subordinate is justified in going against the wishes of his superior if he is confident that he is right and if he is not disobeying positive instructions.
ELIMINATING CAPACITY COUPLING
IN THE design of this Navy receiver I was particularly interested in trying to eliminate capacity coupling between the primary and the secondary circuits, for experience had shown me that this was a source of much interference in reception. By suitable shielding I was able to eliminate all capacity
THE STAFF OF THE ELECTRICAL ENGINEERING DEPARTMENT Of Stevens Institute of Technology. Professor Hazeltine, head of the Department, is seated in the first row, center. Front row, left to right, Professor F. C. Stockwell, Professor L. A. Hazeltine, W. P. Powers. Back row, H. L. Paulding, V. C. McNabb, Samuel Slingerland, and H. C. Roters